A Researcher Conducts a Power Analysis for a Study in Which

question 7

Multiple Choice

A researcher conducts a power analysis for a study in which there was no difference between control and experimental group scores and identifies a power level of 0.75 and a level of significance of 0.05.What will this researcher do?

• A) Alter measurement methods to detect larger changes in scores.
• B) Conclude that the null hypothesis is true.
• C) Consider repeating the study using a larger sample.
• D) Lower the level of significance to 0.01.

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Definitions:

Trinomial

A polynomial with three terms.

Trinomial

A polynomial with three terms, often expressed in the form \(ax^2+bx+c\) where \(a\), \(b\), and \(c\) are constants.

Positive Integer

A whole number greater than zero.

Factor

In mathematics, a factor is a number or quantity that divides another number or expression evenly, without leaving a remainder.